Figure 2.2. Retention of a skill analogous to flying an aeroplane after delays ranging from
9 months to two years (Fleishman & Parker, 1962). After the initial trial, performance is
virtually back at the original level of skill.
The Forgetting Curve: Motor Material
Four different training schedules for learning new typing skills
(Baddeley & Longman, 1978)
Distributed Practice